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Trade, main occupation, Norway

Codes and Frequencies

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OC1TRDNO classifies a person's occupation, and describes the industrial sector within which it occurs. The sectors broadly correspond to primary, secondary and tertiary sectors.

Information on the social status of an occupation is contained in the variable OC1HIRNO.

If a second occupation was stated, this may be classified as well in the variables OC2HIRNO and OC2TRDNO.


This variable is only available in Norway. Note that those whose occupations were "Unknown" and those who had "No occupation" at the time of enumeration are grouped together in the same category.


  • Norway 1865: All persons
  • Norway 1875: All persons
  • Norway 1900: All persons
  • Norway 1910: All persons


  • Norway: 1865, 1875, 1900, 1910